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LiveView Assigns Audit · oliver-kriska | DecimalAI

code reviewby oliver-kriska

LiveView Assigns Audit

oliver-kriska/assigns-audit

Source oliver-kriska/claude-elixir-phoenix ↗License MIT

Inspect LiveView socket assigns for memory bloat — missing temporary_assigns, unused assigns, unbounded lists needing streams, memory estimates.

SkillScore73Maintained

Automatic

Coding pack

Last verified 8/19/2026

What it changes

Passed 12 of 16 test cases with the skill, and 10 of 16 without it.

Without skill64%

With skill73%

Checks it passed that the model alone missed

Recommends temporary_assigns for managing flash message state.
Recommends configured temporary_assigns for notification state.
Refrains from modifying source files, maintaining a read-only audit.

and 3 more in the full report

5 fixed11 passed either way3 still failing3 broke

Pass-rate lift: +9 pp
Tokens: 0%
Agent turns: 0%
Response time: -36%

Model gemini-3.6-flashMeasured 8/19/2026v116 of 22 cases passed with skill · 16 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/oliver-kriska-assigns-audit/SKILL.md https://app.decimal.ai/s/oliver-kriska-assigns-audit/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add oliver-kriska-assigns-audit, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/oliver-kriska-assigns-audit/ and pins it in .decimal/skills.lock

decimalai skills add oliver-kriska-assigns-audit

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/oliver-kriska-assigns-audit/SKILL.md https://app.decimal.ai/s/oliver-kriska-assigns-audit/SKILL.md

Raw file: /s/oliver-kriska-assigns-audit/SKILL.md ↗ · machine-readable summary at /s/oliver-kriska-assigns-audit.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 4

Prompt

In `lib/billing_web/live/invoice_live.ex`, temporary form submission error notifications are stored as standard socket assigns. What audit finding applies?

What was checked, without and with the skill
Checked	Without skill	With skill
Classifies form submission error state as transient data.	Passed	Passed
Recommends configured temporary_assigns for notification state.	Missed	Passed

case-12 · gemini-3.6-flash · 8/19/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md84 linessingle file

LiveView Assigns Audit

Analyze LiveView socket assigns for memory efficiency, clarity, and best practices.

Iron Laws - Never Violate These

Use streams for lists > 100 items - Never store large lists directly in assigns
Use temporary_assigns for transient data - Flash messages, temp errors, notifications
Preload only needed fields - Don't store full Ecto schemas when only needing subset
Initialize all assigns in mount - Never access assigns that might not exist
NEVER modify assigns or code during audit — this is a read-only diagnostic; report findings only

Quick Audit Commands

Extract All Assigns

Use Grep to find all assign( and assign_new( calls in the target LiveView file.

Find Large Data Patterns

Use Grep to find large data patterns: lists stored in assigns (assign.*\[\], assign.*Repo\.all) and full schema storage (assign.*Repo\.get) in the target file.

Audit Checklist

1. Memory Issues

Pattern	Problem	Solution
`assign(:items, Repo.all(...))`	Unbounded list	Use `stream/3`
`assign(:user, Repo.get!(...))`	Full schema	Select only needed fields
`assign(:file_data, binary)`	Large binary	Store reference, not data
Nested preloads	Excessive data	Preload only what's rendered

2. Missing temporary_assigns

Should use temporary_assigns:

Flash messages
Form errors after submission
One-time notifications

Track record

Benchmark

12 / 16

test cases passed, vs 10 / 16 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

oliver-kriska / claude-elixir-phoenix

plugins/elixir-phoenix/skills/assigns-audit/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

oliver-kriska/lv-assignsInspect LiveView socket assigns for memory bloat — missing temporary_assigns, unused assigns, unbounded lists needing streams, memory estimates. Use when LiveView memory grows or you need to add temporary_assigns.Near-identical description+14 pp pass-rate lift

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

LiveView Assigns Audit

Iron Laws - Never Violate These

Quick Audit Commands

Extract All Assigns

Find Large Data Patterns

Audit Checklist

1. Memory Issues

2. Missing temporary_assigns

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills